Journal
SENSORS
Volume 16, Issue 1, Pages -Publisher
MDPI AG
DOI: 10.3390/s16010103
Keywords
graphite oxide; graphene oxide; gas sensor; explosive detection
Funding
- Polish National Science Centre (NCN) [2012/07/B/ST7/01 471]
- Statutory RD Project IChPW [11.15.024]
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The paper presents the results of investigations on resistance structures based on graphite oxide (GRO) and graphene oxide (rGO). The subject matter of the investigations was thaw the sensitivity of the tested structures was affected by hydrogen, nitrogen dioxide and carbon dioxide. The experiments were performed at a temperature range from 30 degrees C to 150 degrees C in two carrier gases: nitrogen and synthetic air. The measurements were also aimed at characterization of the graphite oxide and graphene oxide. In our measurements we used (among others) techniques such as: Atomic Force Microscopy (AFM); Scanning Electron Microscopy (SEM); Raman Spectroscopy (RS); Fourier Transform Infrared Spectroscopy (FT-IR) and X-ray Photoelectron Microscopy (XPS). The data resulting from the characterizations of graphite oxide and graphene oxide have made it possible to interpret the obtained results from the point of view of physicochemical changes occurring in these structures.
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